A.act as a chain stopper
B.prevent the windlass from engaging
C.prevent the chain from fouling on deck
D.control the wildcat
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A.swaged socket
B.thimbled mechanical splice
C.hand splice
D.spelter poured and resin sockets
A.give flexibility
B.support the strands laid around it
C.allow some circulation around the strands
D.allow lubrication inside the rope
A.Gun tackle
B.Luff tackle
C.Two-fold tackle
D.Double-luff tackle
A.cotton
B.lumber
C.steel
D.tires
A.should be coiled in a clockwise direction
B.should be coiled in a counterclockwise direction
C.may be coiled either clockwise or counterclockwise
D.should never be coiled
最新試題
A whipping on a fiber line().
Back-up wires on a towed vessel provide().
Neglecting friction,you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use?().
Manila slings should not be used to load().
The rope which is rove from the truck to be used with a bos’n chair is called a().
The purpose of a devil’s claw is to().
If an attempt is made to hoist a load that exceeds the capacity of an electric winch,an overload safety device causes a circuit breaker to cut off the current to the winch motor().
The size of wire rope is determined by the().
In securing a towing cable,consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by().
The rolling hitch could be used to().